When the military satellite named "Sacred King" loses control, everything in the world changes. This satellite was created by Arthur, a scientist who also had his own army called the "Trance Knights." However, after the incident, the Trance Knights disbanded and other organizations try to take control of the satellite. Amidst all this chaos, Ley, Arthur's daughter, who has the key to the Sacred King, crosses paths with Gawain, one of Arthur's former knights.